F Function
WE Anl
Comment
Function block parameters / Range of values (default)
14 Instantaneous
system with
hydraulic pressure
switch
0
5
CO2 -> F14 - 1: Instantaneous system w. hydraulic pressure
switch
Function block parameters:
K
P
(proportional gain) / 0.1 to 50.0 (2.0)
T
N
(reset time) / 0 to 999 sec (120 sec)
d component / 0 to 999 sec (0 sec)
K
P
T
V
(proportional gain d component) / 0.1 to 10.0 (1.0)
T
Y
(valve transit time) / 10 to 240 sec (45 sec)
15 Limit deviation for
OPEN signal DHW
0
5
CO2 -> F15 - 1 only with CO2 -> F11 - 1 or CO2 -> F14 - 1
Function block parameter:
Max. deviation / 2 to 10 °C (2 °C)
16 Release continuous
signal for DHW
0
5
CO2 -> F16 - 1 only with CO2 -> F11 - 1 or CO2 -> F14 - 1;
continuous signal only for actuator with limit switch control
17 Circulation sensor
0
6
CO2 -> F17 - 1: Circulation sensor ZS for measuring the return
flow temperature of the circulation circuit is active
18 Circulation pump
integrated into heat
exchanger
0
6
CO2 -> F18 - 1: DHW circuit control active when the circulation
pump ZP is running
19 Thermal
disinfection over a
binary input
0
2, 3,
4, 5,
6
CO2 -> F19 - 1* with input RS functioning as a binary input
Function block parameters
(only when CO2 -> F05 - 0):
Start time / 0:00 h to 23:30 h (0:00 h)
Stop time / 0:00 h to 23:30 h (4:00 h)
Disinfection temperature / 60 to 90 °C (70 °C)
*
In Anl 2, 3, 4 and 6: only with CO2 -> F01 - 1
In Anl 5: the function block cannot be selected if:
CO2 -> F13 - 1 or CO2 -> F14 - 1
20 Time-controlled
thermal disinfection
0
2, 3,
4, 5,
6
CO2 -> F20 - 1: The thermal disinfection remains active in all
circumstances during the entire time (start time to stop time)
F Function block number, WE Default value, Anl System code number
EB 5433 EN
81
Appendix
